Home / 70,639.19-97,487.54-40,433.99

Finding the Fourth Proportional to 70,639.19, 97,487.54 and 40,433.99

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Solution

The fourth proportional to 70,639.19, 97,487.54 and 40,433.99 is: 55,802.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,639.19 : 97,487.54 = 40,433.99 : x
  2. Step 2: Convert to fraction form
    70,639.19/97,487.54 = 40,433.99/x
  3. Step 3: Cross multiply
    70,639.19x = 97,487.54 × 40,433.99
  4. Step 4: Simplify right side
    70,639.19x = 3,941,810,217.48
  5. Step 5: Solve for x
    x = 3,941,810,217.48/70,639.19
  6. Step 6: Final answer
    x = 55,802.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.